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Finding the Fourth Proportional to 48,144.96, 72,209.16 and 13,087.44

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Solution

The fourth proportional to 48,144.96, 72,209.16 and 13,087.44 is: 19,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,144.96 : 72,209.16 = 13,087.44 : x
  2. Step 2: Convert to fraction form
    48,144.96/72,209.16 = 13,087.44/x
  3. Step 3: Cross multiply
    48,144.96x = 72,209.16 × 13,087.44
  4. Step 4: Simplify right side
    48,144.96x = 945,033,048.95
  5. Step 5: Solve for x
    x = 945,033,048.95/48,144.96
  6. Step 6: Final answer
    x = 19,628.91

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